WHEN DARKNESS FALLS Movie Trailer HD - Plot synopsis: As they traverse the stunning yet unforgiving terrain of the Scottish Highlands, American friends Jess and Andrea become separated. Soon it becomes evident that Andrea has vanished without a trace. As Jess desperately scours the wilderness for her lost friend, the situation takes an unexpected, horrifying twist.br br Caught in a web of danger and distrust, Jess must navigate an increasingly perilous predicament.